Question: 1a new element has been discovered on a foreign planet...
1).A new element has been discovered on a foreign planet. It seems to have 2 stable isotopes. Ezium-98 is 66.66% abundant. What is the mass of the other isotope if the atomic mass is 99.33 amu? Write it in isotopic notation.
2).Magnesium has 3 stable isotopes. 24Mg,
25Mg, and 26Mg. 25Mg is 10.0%
abundant. What are the abundances of the other 2 isotopes? Make
sure to label which isotope is which answer.